SOLUTION: Dave and Jane wells have a neww rectangular driveway. The perimeter of the driveway is 168 feet. the length is 12 feet longer than 3 times the width. what are the dimensions of

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Question 230653: Dave and Jane wells have a neww rectangular driveway. The perimeter of the driveway is 168 feet. the length is 12 feet longer than 3 times the width. what are the dimensions of the driveway?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
P=2w+2L
168=2w+2(3w+12)
168=8w+24
8w=144
w=18 ft
L=3w+12=66 ft